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authorDevesh Sharma <devesh.sharma@broadcom.com>2018-02-16 08:20:10 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-30 08:51:59 +0300
commitc0935f1ef990a50cc891aede2b4298038a1c5504 (patch)
tree72e8bf6085fa833f8b643d657fdd69f1e1734d1e
parentc5c0632b9c7b80914f8704b10e2ebd4adf41ed2a (diff)
downloadlinux-c0935f1ef990a50cc891aede2b4298038a1c5504.tar.xz
RDMA/bnxt_re: Unpin SQ and RQ memory if QP create fails
[ Upstream commit 6b4521f5174c26020ae0deb3ef7f2c28557cf445 ] Driver leaves the QP memory pinned if QP create command fails from the FW. Avoids this scenario by adding a proper exit path if the FW command fails. Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index b210495ff33c..bfdd542d7e12 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1180,7 +1180,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd,
rc = bnxt_qplib_create_qp(&rdev->qplib_res, &qp->qplib_qp);
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to create HW QP");
- goto fail;
+ goto free_umem;
}
}
@@ -1208,6 +1208,13 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd,
return &qp->ib_qp;
qp_destroy:
bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp);
+free_umem:
+ if (udata) {
+ if (qp->rumem)
+ ib_umem_release(qp->rumem);
+ if (qp->sumem)
+ ib_umem_release(qp->sumem);
+ }
fail:
kfree(qp);
return ERR_PTR(rc);